ethdev: remove detachable device flag
[dpdk.git] / drivers / net / e1000 / igb_ethdev.c
index 80025de..2fd679b 100644 (file)
@@ -112,7 +112,7 @@ static void eth_igb_allmulticast_enable(struct rte_eth_dev *dev);
 static void eth_igb_allmulticast_disable(struct rte_eth_dev *dev);
 static int  eth_igb_link_update(struct rte_eth_dev *dev,
                                int wait_to_complete);
-static void eth_igb_stats_get(struct rte_eth_dev *dev,
+static int eth_igb_stats_get(struct rte_eth_dev *dev,
                                struct rte_eth_stats *rte_stats);
 static int eth_igb_xstats_get(struct rte_eth_dev *dev,
                              struct rte_eth_xstat *xstats, unsigned n);
@@ -138,7 +138,7 @@ static int  eth_igb_flow_ctrl_get(struct rte_eth_dev *dev,
                                struct rte_eth_fc_conf *fc_conf);
 static int  eth_igb_flow_ctrl_set(struct rte_eth_dev *dev,
                                struct rte_eth_fc_conf *fc_conf);
-static int eth_igb_lsc_interrupt_setup(struct rte_eth_dev *dev);
+static int eth_igb_lsc_interrupt_setup(struct rte_eth_dev *dev, uint8_t on);
 static int eth_igb_rxq_interrupt_setup(struct rte_eth_dev *dev);
 static int eth_igb_interrupt_get_status(struct rte_eth_dev *dev);
 static int eth_igb_interrupt_action(struct rte_eth_dev *dev,
@@ -188,7 +188,7 @@ static void igbvf_promiscuous_disable(struct rte_eth_dev *dev);
 static void igbvf_allmulticast_enable(struct rte_eth_dev *dev);
 static void igbvf_allmulticast_disable(struct rte_eth_dev *dev);
 static int eth_igbvf_link_update(struct e1000_hw *hw);
-static void eth_igbvf_stats_get(struct rte_eth_dev *dev,
+static int eth_igbvf_stats_get(struct rte_eth_dev *dev,
                                struct rte_eth_stats *rte_stats);
 static int eth_igbvf_xstats_get(struct rte_eth_dev *dev,
                                struct rte_eth_xstat *xstats, unsigned n);
@@ -213,9 +213,6 @@ static int eth_igb_rss_reta_query(struct rte_eth_dev *dev,
                                  struct rte_eth_rss_reta_entry64 *reta_conf,
                                  uint16_t reta_size);
 
-static int eth_igb_syn_filter_set(struct rte_eth_dev *dev,
-                       struct rte_eth_syn_filter *filter,
-                       bool add);
 static int eth_igb_syn_filter_get(struct rte_eth_dev *dev,
                        struct rte_eth_syn_filter *filter);
 static int eth_igb_syn_filter_handle(struct rte_eth_dev *dev,
@@ -225,9 +222,6 @@ static int igb_add_2tuple_filter(struct rte_eth_dev *dev,
                        struct rte_eth_ntuple_filter *ntuple_filter);
 static int igb_remove_2tuple_filter(struct rte_eth_dev *dev,
                        struct rte_eth_ntuple_filter *ntuple_filter);
-static int eth_igb_add_del_flex_filter(struct rte_eth_dev *dev,
-                       struct rte_eth_flex_filter *filter,
-                       bool add);
 static int eth_igb_get_flex_filter(struct rte_eth_dev *dev,
                        struct rte_eth_flex_filter *filter);
 static int eth_igb_flex_filter_handle(struct rte_eth_dev *dev,
@@ -237,17 +231,11 @@ static int igb_add_5tuple_filter_82576(struct rte_eth_dev *dev,
                        struct rte_eth_ntuple_filter *ntuple_filter);
 static int igb_remove_5tuple_filter_82576(struct rte_eth_dev *dev,
                        struct rte_eth_ntuple_filter *ntuple_filter);
-static int igb_add_del_ntuple_filter(struct rte_eth_dev *dev,
-                       struct rte_eth_ntuple_filter *filter,
-                       bool add);
 static int igb_get_ntuple_filter(struct rte_eth_dev *dev,
                        struct rte_eth_ntuple_filter *filter);
 static int igb_ntuple_filter_handle(struct rte_eth_dev *dev,
                                enum rte_filter_op filter_op,
                                void *arg);
-static int igb_add_del_ethertype_filter(struct rte_eth_dev *dev,
-                       struct rte_eth_ethertype_filter *filter,
-                       bool add);
 static int igb_ethertype_filter_handle(struct rte_eth_dev *dev,
                                enum rte_filter_op filter_op,
                                void *arg);
@@ -346,6 +334,8 @@ static const struct rte_pci_id pci_id_igb_map[] = {
        { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I210_FIBER) },
        { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I210_SERDES) },
        { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I210_SGMII) },
+       { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I210_COPPER_FLASHLESS) },
+       { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I210_SERDES_FLASHLESS) },
        { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I211_COPPER) },
        { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I354_BACKPLANE_1GBPS) },
        { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I354_SGMII) },
@@ -781,6 +771,22 @@ static int igb_ntuple_filter_uninit(struct rte_eth_dev *eth_dev)
        return 0;
 }
 
+/* Remove all flex filters of the device */
+static int igb_flex_filter_uninit(struct rte_eth_dev *eth_dev)
+{
+       struct e1000_filter_info *filter_info =
+               E1000_DEV_PRIVATE_TO_FILTER_INFO(eth_dev->data->dev_private);
+       struct e1000_flex_filter *p_flex;
+
+       while ((p_flex = TAILQ_FIRST(&filter_info->flex_list))) {
+               TAILQ_REMOVE(&filter_info->flex_list, p_flex, entries);
+               rte_free(p_flex);
+       }
+       filter_info->flex_mask = 0;
+
+       return 0;
+}
+
 static int
 eth_igb_dev_init(struct rte_eth_dev *eth_dev)
 {
@@ -812,7 +818,6 @@ eth_igb_dev_init(struct rte_eth_dev *eth_dev)
        }
 
        rte_eth_copy_pci_info(eth_dev, pci_dev);
-       eth_dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE;
 
        hw->hw_addr= (void *)pci_dev->mem_resource[0].addr;
 
@@ -939,6 +944,12 @@ eth_igb_dev_init(struct rte_eth_dev *eth_dev)
        TAILQ_INIT(&filter_info->twotuple_list);
        TAILQ_INIT(&filter_info->fivetuple_list);
 
+       TAILQ_INIT(&igb_filter_ntuple_list);
+       TAILQ_INIT(&igb_filter_ethertype_list);
+       TAILQ_INIT(&igb_filter_syn_list);
+       TAILQ_INIT(&igb_filter_flex_list);
+       TAILQ_INIT(&igb_flow_list);
+
        return 0;
 
 err_late:
@@ -999,6 +1010,12 @@ eth_igb_dev_uninit(struct rte_eth_dev *eth_dev)
        /* remove all ntuple filters of the device */
        igb_ntuple_filter_uninit(eth_dev);
 
+       /* remove all flex filters of the device */
+       igb_flex_filter_uninit(eth_dev);
+
+       /* clear all the filters list */
+       igb_filterlist_flush(eth_dev);
+
        return 0;
 }
 
@@ -1035,7 +1052,6 @@ eth_igbvf_dev_init(struct rte_eth_dev *eth_dev)
 
        pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
        rte_eth_copy_pci_info(eth_dev, pci_dev);
-       eth_dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE;
 
        hw->device_id = pci_dev->id.device_id;
        hw->vendor_id = pci_dev->id.vendor_id;
@@ -1150,7 +1166,8 @@ static int eth_igb_pci_remove(struct rte_pci_device *pci_dev)
 
 static struct rte_pci_driver rte_igb_pmd = {
        .id_table = pci_id_igb_map,
-       .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
+       .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC |
+                    RTE_PCI_DRV_IOVA_AS_VA,
        .probe = eth_igb_pci_probe,
        .remove = eth_igb_pci_remove,
 };
@@ -1173,7 +1190,7 @@ static int eth_igbvf_pci_remove(struct rte_pci_device *pci_dev)
  */
 static struct rte_pci_driver rte_igbvf_pmd = {
        .id_table = pci_id_igbvf_map,
-       .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
+       .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_IOVA_AS_VA,
        .probe = eth_igbvf_pci_probe,
        .remove = eth_igbvf_pci_remove,
 };
@@ -1456,7 +1473,9 @@ eth_igb_start(struct rte_eth_dev *dev)
        if (rte_intr_allow_others(intr_handle)) {
                /* check if lsc interrupt is enabled */
                if (dev->data->dev_conf.intr_conf.lsc != 0)
-                       eth_igb_lsc_interrupt_setup(dev);
+                       eth_igb_lsc_interrupt_setup(dev, TRUE);
+               else
+                       eth_igb_lsc_interrupt_setup(dev, FALSE);
        } else {
                rte_intr_callback_unregister(intr_handle,
                                             eth_igb_interrupt_handler,
@@ -1501,11 +1520,8 @@ static void
 eth_igb_stop(struct rte_eth_dev *dev)
 {
        struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
-       struct e1000_filter_info *filter_info =
-               E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
        struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
        struct rte_eth_link link;
-       struct e1000_flex_filter *p_flex;
        struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
 
        igb_intr_disable(hw);
@@ -1534,13 +1550,6 @@ eth_igb_stop(struct rte_eth_dev *dev)
        memset(&link, 0, sizeof(link));
        rte_igb_dev_atomic_write_link_status(dev, &link);
 
-       /* Remove all flex filters of the device */
-       while ((p_flex = TAILQ_FIRST(&filter_info->flex_list))) {
-               TAILQ_REMOVE(&filter_info->flex_list, p_flex, entries);
-               rte_free(p_flex);
-       }
-       filter_info->flex_mask = 0;
-
        if (!rte_intr_allow_others(intr_handle))
                /* resume to the default handler */
                rte_intr_callback_register(intr_handle,
@@ -1820,7 +1829,7 @@ igb_read_stats_registers(struct e1000_hw *hw, struct e1000_hw_stats *stats)
        stats->tsctfc += E1000_READ_REG(hw, E1000_TSCTFC);
 }
 
-static void
+static int
 eth_igb_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *rte_stats)
 {
        struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
@@ -1830,7 +1839,7 @@ eth_igb_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *rte_stats)
        igb_read_stats_registers(hw, stats);
 
        if (rte_stats == NULL)
-               return;
+               return -EINVAL;
 
        /* Rx Errors */
        rte_stats->imissed = stats->mpc;
@@ -1845,6 +1854,7 @@ eth_igb_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *rte_stats)
        rte_stats->opackets = stats->gptc;
        rte_stats->ibytes   = stats->gorc;
        rte_stats->obytes   = stats->gotc;
+       return 0;
 }
 
 static void
@@ -2085,7 +2095,7 @@ eth_igbvf_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
        return IGBVF_NB_XSTATS;
 }
 
-static void
+static int
 eth_igbvf_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *rte_stats)
 {
        struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
@@ -2095,12 +2105,13 @@ eth_igbvf_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *rte_stats)
        igbvf_read_stats_registers(hw, hw_stats);
 
        if (rte_stats == NULL)
-               return;
+               return -EINVAL;
 
        rte_stats->ipackets = hw_stats->gprc;
        rte_stats->ibytes = hw_stats->gorc;
        rte_stats->opackets = hw_stats->gptc;
        rte_stats->obytes = hw_stats->gotc;
+       return 0;
 }
 
 static void
@@ -2738,18 +2749,23 @@ eth_igb_vlan_offload_set(struct rte_eth_dev *dev, int mask)
  *
  * @param dev
  *  Pointer to struct rte_eth_dev.
+ * @param on
+ *  Enable or Disable
  *
  * @return
  *  - On success, zero.
  *  - On failure, a negative value.
  */
 static int
-eth_igb_lsc_interrupt_setup(struct rte_eth_dev *dev)
+eth_igb_lsc_interrupt_setup(struct rte_eth_dev *dev, uint8_t on)
 {
        struct e1000_interrupt *intr =
                E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
 
-       intr->mask |= E1000_ICR_LSC;
+       if (on)
+               intr->mask |= E1000_ICR_LSC;
+       else
+               intr->mask &= ~E1000_ICR_LSC;
 
        return 0;
 }
@@ -2892,7 +2908,8 @@ eth_igb_interrupt_action(struct rte_eth_dev *dev,
                E1000_WRITE_REG(hw, E1000_TCTL, tctl);
                E1000_WRITE_REG(hw, E1000_RCTL, rctl);
                E1000_WRITE_FLUSH(hw);
-               _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC, NULL);
+               _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC,
+                                             NULL, NULL);
        }
 
        return 0;
@@ -2951,7 +2968,8 @@ void igbvf_mbx_process(struct rte_eth_dev *dev)
 
        /* PF reset VF event */
        if (in_msg == E1000_PF_CONTROL_MSG)
-               _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_RESET, NULL);
+               _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_RESET,
+                                             NULL, NULL);
 }
 
 static int
@@ -3571,14 +3589,7 @@ eth_igb_rss_reta_query(struct rte_eth_dev *dev,
        return 0;
 }
 
-#define MAC_TYPE_FILTER_SUP(type)    do {\
-       if ((type) != e1000_82580 && (type) != e1000_i350 &&\
-               (type) != e1000_82576 && (type) != e1000_i210 &&\
-               (type) != e1000_i211)\
-               return -ENOTSUP;\
-} while (0)
-
-static int
+int
 eth_igb_syn_filter_set(struct rte_eth_dev *dev,
                        struct rte_eth_syn_filter *filter,
                        bool add)
@@ -3681,12 +3692,6 @@ eth_igb_syn_filter_handle(struct rte_eth_dev *dev,
        return ret;
 }
 
-#define MAC_TYPE_FILTER_SUP_EXT(type)    do {\
-       if ((type) != e1000_82580 && (type) != e1000_i350 &&\
-               (type) != e1000_i210 && (type) != e1000_i211)\
-               return -ENOSYS; \
-} while (0)
-
 /* translate elements in struct rte_eth_ntuple_filter to struct e1000_2tuple_filter_info*/
 static inline int
 ntuple_filter_to_2tuple(struct rte_eth_ntuple_filter *filter,
@@ -3860,6 +3865,24 @@ igb_add_2tuple_filter(struct rte_eth_dev *dev,
        return 0;
 }
 
+int
+igb_delete_2tuple_filter(struct rte_eth_dev *dev,
+                       struct e1000_2tuple_filter *filter)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct e1000_filter_info *filter_info =
+               E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
+
+       filter_info->twotuple_mask &= ~(1 << filter->index);
+       TAILQ_REMOVE(&filter_info->twotuple_list, filter, entries);
+       rte_free(filter);
+
+       E1000_WRITE_REG(hw, E1000_TTQF(filter->index), E1000_TTQF_DISABLE_MASK);
+       E1000_WRITE_REG(hw, E1000_IMIR(filter->index), 0);
+       E1000_WRITE_REG(hw, E1000_IMIREXT(filter->index), 0);
+       return 0;
+}
+
 /*
  * igb_remove_2tuple_filter - remove a 2tuple filter
  *
@@ -3875,7 +3898,6 @@ static int
 igb_remove_2tuple_filter(struct rte_eth_dev *dev,
                        struct rte_eth_ntuple_filter *ntuple_filter)
 {
-       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
        struct e1000_filter_info *filter_info =
                E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
        struct e1000_2tuple_filter_info filter_2tuple;
@@ -3895,16 +3917,50 @@ igb_remove_2tuple_filter(struct rte_eth_dev *dev,
                return -ENOENT;
        }
 
-       filter_info->twotuple_mask &= ~(1 << filter->index);
-       TAILQ_REMOVE(&filter_info->twotuple_list, filter, entries);
-       rte_free(filter);
+       igb_delete_2tuple_filter(dev, filter);
 
-       E1000_WRITE_REG(hw, E1000_TTQF(filter->index), E1000_TTQF_DISABLE_MASK);
-       E1000_WRITE_REG(hw, E1000_IMIR(filter->index), 0);
-       E1000_WRITE_REG(hw, E1000_IMIREXT(filter->index), 0);
        return 0;
 }
 
+/* inject a igb flex filter to HW */
+static inline void
+igb_inject_flex_filter(struct rte_eth_dev *dev,
+                          struct e1000_flex_filter *filter)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       uint32_t wufc, queueing;
+       uint32_t reg_off;
+       uint8_t i, j = 0;
+
+       wufc = E1000_READ_REG(hw, E1000_WUFC);
+       if (filter->index < E1000_MAX_FHFT)
+               reg_off = E1000_FHFT(filter->index);
+       else
+               reg_off = E1000_FHFT_EXT(filter->index - E1000_MAX_FHFT);
+
+       E1000_WRITE_REG(hw, E1000_WUFC, wufc | E1000_WUFC_FLEX_HQ |
+                       (E1000_WUFC_FLX0 << filter->index));
+       queueing = filter->filter_info.len |
+               (filter->queue << E1000_FHFT_QUEUEING_QUEUE_SHIFT) |
+               (filter->filter_info.priority <<
+                       E1000_FHFT_QUEUEING_PRIO_SHIFT);
+       E1000_WRITE_REG(hw, reg_off + E1000_FHFT_QUEUEING_OFFSET,
+                       queueing);
+
+       for (i = 0; i < E1000_FLEX_FILTERS_MASK_SIZE; i++) {
+               E1000_WRITE_REG(hw, reg_off,
+                               filter->filter_info.dwords[j]);
+               reg_off += sizeof(uint32_t);
+               E1000_WRITE_REG(hw, reg_off,
+                               filter->filter_info.dwords[++j]);
+               reg_off += sizeof(uint32_t);
+               E1000_WRITE_REG(hw, reg_off,
+                       (uint32_t)filter->filter_info.mask[i]);
+               reg_off += sizeof(uint32_t) * 2;
+               ++j;
+       }
+}
+
 static inline struct e1000_flex_filter *
 eth_igb_flex_filter_lookup(struct e1000_flex_filter_list *filter_list,
                        struct e1000_flex_filter_info *key)
@@ -3920,18 +3976,48 @@ eth_igb_flex_filter_lookup(struct e1000_flex_filter_list *filter_list,
        return NULL;
 }
 
-static int
+/* remove a flex byte filter
+ * @param
+ * dev: Pointer to struct rte_eth_dev.
+ * filter: the pointer of the filter will be removed.
+ */
+void
+igb_remove_flex_filter(struct rte_eth_dev *dev,
+                       struct e1000_flex_filter *filter)
+{
+       struct e1000_filter_info *filter_info =
+               E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       uint32_t wufc, i;
+       uint32_t reg_off;
+
+       wufc = E1000_READ_REG(hw, E1000_WUFC);
+       if (filter->index < E1000_MAX_FHFT)
+               reg_off = E1000_FHFT(filter->index);
+       else
+               reg_off = E1000_FHFT_EXT(filter->index - E1000_MAX_FHFT);
+
+       for (i = 0; i < E1000_FHFT_SIZE_IN_DWD; i++)
+               E1000_WRITE_REG(hw, reg_off + i * sizeof(uint32_t), 0);
+
+       E1000_WRITE_REG(hw, E1000_WUFC, wufc &
+               (~(E1000_WUFC_FLX0 << filter->index)));
+
+       filter_info->flex_mask &= ~(1 << filter->index);
+       TAILQ_REMOVE(&filter_info->flex_list, filter, entries);
+       rte_free(filter);
+}
+
+int
 eth_igb_add_del_flex_filter(struct rte_eth_dev *dev,
                        struct rte_eth_flex_filter *filter,
                        bool add)
 {
-       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
        struct e1000_filter_info *filter_info =
                E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
        struct e1000_flex_filter *flex_filter, *it;
-       uint32_t wufc, queueing, mask;
-       uint32_t reg_off;
-       uint8_t shift, i, j = 0;
+       uint32_t mask;
+       uint8_t shift, i;
 
        flex_filter = rte_zmalloc("e1000_flex_filter",
                        sizeof(struct e1000_flex_filter), 0);
@@ -3951,15 +4037,20 @@ eth_igb_add_del_flex_filter(struct rte_eth_dev *dev,
                flex_filter->filter_info.mask[i] = mask;
        }
 
-       wufc = E1000_READ_REG(hw, E1000_WUFC);
+       it = eth_igb_flex_filter_lookup(&filter_info->flex_list,
+                               &flex_filter->filter_info);
+       if (it == NULL && !add) {
+               PMD_DRV_LOG(ERR, "filter doesn't exist.");
+               rte_free(flex_filter);
+               return -ENOENT;
+       }
+       if (it != NULL && add) {
+               PMD_DRV_LOG(ERR, "filter exists.");
+               rte_free(flex_filter);
+               return -EEXIST;
+       }
 
        if (add) {
-               if (eth_igb_flex_filter_lookup(&filter_info->flex_list,
-                               &flex_filter->filter_info) != NULL) {
-                       PMD_DRV_LOG(ERR, "filter exists.");
-                       rte_free(flex_filter);
-                       return -EEXIST;
-               }
                flex_filter->queue = filter->queue;
                /*
                 * look for an unused flex filter index
@@ -3981,52 +4072,10 @@ eth_igb_add_del_flex_filter(struct rte_eth_dev *dev,
                        return -ENOSYS;
                }
 
-               if (flex_filter->index < E1000_MAX_FHFT)
-                       reg_off = E1000_FHFT(flex_filter->index);
-               else
-                       reg_off = E1000_FHFT_EXT(flex_filter->index - E1000_MAX_FHFT);
-
-               E1000_WRITE_REG(hw, E1000_WUFC, wufc | E1000_WUFC_FLEX_HQ |
-                               (E1000_WUFC_FLX0 << flex_filter->index));
-               queueing = filter->len |
-                       (filter->queue << E1000_FHFT_QUEUEING_QUEUE_SHIFT) |
-                       (filter->priority << E1000_FHFT_QUEUEING_PRIO_SHIFT);
-               E1000_WRITE_REG(hw, reg_off + E1000_FHFT_QUEUEING_OFFSET,
-                               queueing);
-               for (i = 0; i < E1000_FLEX_FILTERS_MASK_SIZE; i++) {
-                       E1000_WRITE_REG(hw, reg_off,
-                                       flex_filter->filter_info.dwords[j]);
-                       reg_off += sizeof(uint32_t);
-                       E1000_WRITE_REG(hw, reg_off,
-                                       flex_filter->filter_info.dwords[++j]);
-                       reg_off += sizeof(uint32_t);
-                       E1000_WRITE_REG(hw, reg_off,
-                               (uint32_t)flex_filter->filter_info.mask[i]);
-                       reg_off += sizeof(uint32_t) * 2;
-                       ++j;
-               }
-       } else {
-               it = eth_igb_flex_filter_lookup(&filter_info->flex_list,
-                               &flex_filter->filter_info);
-               if (it == NULL) {
-                       PMD_DRV_LOG(ERR, "filter doesn't exist.");
-                       rte_free(flex_filter);
-                       return -ENOENT;
-               }
-
-               if (it->index < E1000_MAX_FHFT)
-                       reg_off = E1000_FHFT(it->index);
-               else
-                       reg_off = E1000_FHFT_EXT(it->index - E1000_MAX_FHFT);
+               igb_inject_flex_filter(dev, flex_filter);
 
-               for (i = 0; i < E1000_FHFT_SIZE_IN_DWD; i++)
-                       E1000_WRITE_REG(hw, reg_off + i * sizeof(uint32_t), 0);
-               E1000_WRITE_REG(hw, E1000_WUFC, wufc &
-                       (~(E1000_WUFC_FLX0 << it->index)));
-
-               filter_info->flex_mask &= ~(1 << it->index);
-               TAILQ_REMOVE(&filter_info->flex_list, it, entries);
-               rte_free(it);
+       } else {
+               igb_remove_flex_filter(dev, it);
                rte_free(flex_filter);
        }
 
@@ -4048,7 +4097,7 @@ eth_igb_get_flex_filter(struct rte_eth_dev *dev,
        flex_filter.filter_info.priority = filter->priority;
        memcpy(flex_filter.filter_info.dwords, filter->bytes, filter->len);
        memcpy(flex_filter.filter_info.mask, filter->mask,
-                       RTE_ALIGN(filter->len, sizeof(char)) / sizeof(char));
+                       RTE_ALIGN(filter->len, CHAR_BIT) / CHAR_BIT);
 
        it = eth_igb_flex_filter_lookup(&filter_info->flex_list,
                                &flex_filter.filter_info);
@@ -4353,6 +4402,28 @@ igb_add_5tuple_filter_82576(struct rte_eth_dev *dev,
        return 0;
 }
 
+int
+igb_delete_5tuple_filter_82576(struct rte_eth_dev *dev,
+                               struct e1000_5tuple_filter *filter)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct e1000_filter_info *filter_info =
+               E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
+
+       filter_info->fivetuple_mask &= ~(1 << filter->index);
+       TAILQ_REMOVE(&filter_info->fivetuple_list, filter, entries);
+       rte_free(filter);
+
+       E1000_WRITE_REG(hw, E1000_FTQF(filter->index),
+                       E1000_FTQF_VF_BP | E1000_FTQF_MASK);
+       E1000_WRITE_REG(hw, E1000_DAQF(filter->index), 0);
+       E1000_WRITE_REG(hw, E1000_SAQF(filter->index), 0);
+       E1000_WRITE_REG(hw, E1000_SPQF(filter->index), 0);
+       E1000_WRITE_REG(hw, E1000_IMIR(filter->index), 0);
+       E1000_WRITE_REG(hw, E1000_IMIREXT(filter->index), 0);
+       return 0;
+}
+
 /*
  * igb_remove_5tuple_filter_82576 - remove a 5tuple filter
  *
@@ -4368,7 +4439,6 @@ static int
 igb_remove_5tuple_filter_82576(struct rte_eth_dev *dev,
                                struct rte_eth_ntuple_filter *ntuple_filter)
 {
-       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
        struct e1000_filter_info *filter_info =
                E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
        struct e1000_5tuple_filter_info filter_5tuple;
@@ -4388,17 +4458,8 @@ igb_remove_5tuple_filter_82576(struct rte_eth_dev *dev,
                return -ENOENT;
        }
 
-       filter_info->fivetuple_mask &= ~(1 << filter->index);
-       TAILQ_REMOVE(&filter_info->fivetuple_list, filter, entries);
-       rte_free(filter);
+       igb_delete_5tuple_filter_82576(dev, filter);
 
-       E1000_WRITE_REG(hw, E1000_FTQF(filter->index),
-                       E1000_FTQF_VF_BP | E1000_FTQF_MASK);
-       E1000_WRITE_REG(hw, E1000_DAQF(filter->index), 0);
-       E1000_WRITE_REG(hw, E1000_SAQF(filter->index), 0);
-       E1000_WRITE_REG(hw, E1000_SPQF(filter->index), 0);
-       E1000_WRITE_REG(hw, E1000_IMIR(filter->index), 0);
-       E1000_WRITE_REG(hw, E1000_IMIREXT(filter->index), 0);
        return 0;
 }
 
@@ -4464,7 +4525,7 @@ eth_igb_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
  *    - On success, zero.
  *    - On failure, a negative value.
  */
-static int
+int
 igb_add_del_ntuple_filter(struct rte_eth_dev *dev,
                        struct rte_eth_ntuple_filter *ntuple_filter,
                        bool add)
@@ -4654,7 +4715,7 @@ igb_ethertype_filter_insert(struct e1000_filter_info *filter_info,
        return -1;
 }
 
-static int
+int
 igb_ethertype_filter_remove(struct e1000_filter_info *filter_info,
                        uint8_t idx)
 {
@@ -4810,7 +4871,7 @@ eth_igb_filter_ctrl(struct rte_eth_dev *dev,
                     enum rte_filter_op filter_op,
                     void *arg)
 {
-       int ret = -EINVAL;
+       int ret = 0;
 
        switch (filter_type) {
        case RTE_ETH_FILTER_NTUPLE:
@@ -4825,6 +4886,11 @@ eth_igb_filter_ctrl(struct rte_eth_dev *dev,
        case RTE_ETH_FILTER_FLEXIBLE:
                ret = eth_igb_flex_filter_handle(dev, filter_op, arg);
                break;
+       case RTE_ETH_FILTER_GENERIC:
+               if (filter_op != RTE_ETH_FILTER_GET)
+                       return -EINVAL;
+               *(const void **)arg = &igb_flow_ops;
+               break;
        default:
                PMD_DRV_LOG(WARNING, "Filter type (%d) not supported",
                                                        filter_type);
@@ -5530,6 +5596,19 @@ igb_ethertype_filter_restore(struct rte_eth_dev *dev)
        }
 }
 
+/* restore flex byte filter */
+static inline void
+igb_flex_filter_restore(struct rte_eth_dev *dev)
+{
+       struct e1000_filter_info *filter_info =
+               E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
+       struct e1000_flex_filter *flex_filter;
+
+       TAILQ_FOREACH(flex_filter, &filter_info->flex_list, entries) {
+               igb_inject_flex_filter(dev, flex_filter);
+       }
+}
+
 /* restore all types filter */
 static int
 igb_filter_restore(struct rte_eth_dev *dev)
@@ -5537,6 +5616,7 @@ igb_filter_restore(struct rte_eth_dev *dev)
        igb_ntuple_filter_restore(dev);
        igb_ethertype_filter_restore(dev);
        igb_syn_filter_restore(dev);
+       igb_flex_filter_restore(dev);
 
        return 0;
 }